I have been feeling nauseous and tired for a week now, so on the day my period was supposed to come and it was negative. I waited 2 days and retested and this test was negative as well ( both of them I tested first thing in the morning). My cycle is never late sometimes a few days early but never late. I never experienced this before even with my 2 boys. Any helpful advice or if anyone else has experienced this anything helps , thank you in advance